What role does the lymphatic system play in growth and development? is it important in development?

The lymphatic system is composed of lymph, lymph vessels, and lymph nodes and lymphoid tissues. The lymph is very similar to blood plasma, and like it, can carry white blood cells. Thus, the lymphatic system is very important for your immune system. The lymphatic system allows white blood cells to have access to sites of infection much quicker. Certain types of white blood cells also mature inside lymph nodes.

depression is an ongoing sadness\lack of motivation. you feel and feel like its never going to get better. you're so sad to the point you think of death.

anxiety is an ongoing feeling of paranoia\ feeling like everyone is watching you and making fun of you. you get nervous easily and feel like the room is spinning.  

yes, they cause death every year. its a long, exhausting battle. only few make it through as sad as it sounds.

explanation:

tell their parents and make sure she gets from a counselor or therapist. be supportive and be there for her. be a kind and good friend. spend time with her to make her feel like she's not alone. i'm not a professional but i really hope they stays strong.